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Class Information
Number: 976/DIG.410
Name: Nuclear technology > Arrangements for obtraining electrical energy from radioactive sources (e.g., from radioactive isotopes, nuclear or atomic batteries) [g21h-1/00] *** (fusion reactors dig. 1+; nuclear reactors dig. 5+)
Description:










Sub-classes under this class:

Class Number Class Name Patents
976/DIG.411 Cells charged directly by beta radiation [g21h-1/02] 3
976/DIG.414 Cells in which radiation ionizes a gas in the presence of a junction of two dissimilar metals (i.e., contact potential difference cells) [g21h-1/08] *** (discharge tubes h01j) 0
976/DIG.415 Cells in which radiation of disintegration heats a thermoelectric junction or a thermionic converter [g21h-1/10] *** (devices where heating occurs from fission reactions dig. 39; discharge tubes functioning as thermionic generators h01j-45/00; thermoelectric devices comprising a junction of dissimilar materials h01l-35/00) 2
976/DIG.418 Cells using conversion of the radiation into light combined with subsequent photoelectric conversion into electric energy [g21h-1/12] 7
976/DIG.412 Cells using secondary emission induced by alpha radiation, beta radiation, or gamma radiation [g21h-1/04] *** (discharge tubes h01j-40/00) 1
976/DIG.413 Cells wherein radiation is applied to the junction of different semiconductor materials [g21h-1/06] 6


Patents under this class:

Patent Number Title Of Patent Date Issued
7417356 Power conversion circuitry Aug. 26, 2008
4489269 Atomic battery with beam switching Dec. 18, 1984
4160927 Ferroelectric ceramic devices Jul. 10, 1979
4054724 Isotope heated deferred action thermal batteries Oct. 18, 1977
4024410 Alternating current energy converter May. 17, 1977











 
 
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